我有一个如下所示的数组和我的 php 控制器中的这一行：
if(count($crew_rows != 0)){
Bluehost 升级到 php7.2，我现在收到以下错误：
Warning: count(): Parameter must be an array or an object that implements Countable in /home2/sailwbob/public_html/skipper/public/crew.php on line 1885
我该如何解决？（不恢复到早期版本的 php）
Array
(
[0] => Array
(
[0] => Array
(
[date] => 2019-09-17
[usr] => 1
[skipUsr] => 1
[user] =>
[crew] => IN
[status] => OPEN
[avalstart] => 09:00:00
[avalend] => 21:00:00
[sort] => 0
[ssort] => 0
)
[1] => Array
(
[date] => 2019-09-17
[usr] => 32
[skipUsr] => 1
[user] =>
[crew] => IN
[status] => OPEN
[avalstart] => 10:00:00
[avalend] => 20:00:00
[sort] => 9
[ssort] => 1
)
[2] => Array
(
[date] => 2019-09-17
[usr] => 76
[skipUsr] => 1
[user] =>
[crew] => IN
[status] => OPEN
[avalstart] => 09:00:00
[avalend] => 21:00:00
[sort] => 9
[ssort] => 1
)
[3] => Array
(
[date] => 2019-09-17
[usr] => 152
[skipUsr] => 1
[user] =>
[crew] => IN
[status] => OPEN
[avalstart] => 09:00:00
[avalend] => 21:00:00
[sort] => 9
[ssort] => 1
)
[4] => Array
(
[date] => 2019-09-17
[usr] => 155
[skipUsr] => 1
[user] =>
[crew] => IN
[status] => OPEN
[avalstart] => 11:30:00
[avalend] => 21:00:00
[sort] => 9
[ssort] => 1
)
[5] => Array
(
[date] => 2019-09-17
[usr] => 74
[skipUsr] => 1
[user] =>
[crew] => IN
[status] => OPEN
[avalstart] => 10:00:00
[avalend] => 18:00:00
[sort] => 9
[ssort] => 9
)
[6] => Array
(
[date] => 2019-09-17
[usr] => 25
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
[7] => Array
(
[date] => 2019-09-17
[usr] => 35
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
[8] => Array
(
[date] => 2019-09-17
[usr] => 59
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
[9] => Array
(
[date] => 2019-09-17
[usr] => 69
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
[10] => Array
(
[date] => 2019-09-17
[usr] => 126
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
[11] => Array
(
[date] => 2019-09-17
[usr] => 133
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
[12] => Array
(
[date] => 2019-09-17
[usr] => 153
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
[13] => Array
(
[date] => 2019-09-17
[usr] => 161
[skipUsr] => 1
[user] =>
[crew] => OUT
[status] => OUT
[avalstart] => 00:00:00
[avalend] => 00:00:00
[sort] => 9
[ssort] => 9
)
)
)